CN216332014U - Underslung power package suitable for electric drive railcar - Google Patents
Underslung power package suitable for electric drive railcar Download PDFInfo
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- CN216332014U CN216332014U CN202122854586.6U CN202122854586U CN216332014U CN 216332014 U CN216332014 U CN 216332014U CN 202122854586 U CN202122854586 U CN 202122854586U CN 216332014 U CN216332014 U CN 216332014U
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Abstract
The invention discloses an underslung power pack suitable for an electric drive rail car, which comprises a mounting frame, a power system, a power auxiliary system and a cooling system, wherein the power system, the power auxiliary system and the cooling system are connected with the mounting frame, the mounting frame comprises two longitudinal beams which are arranged oppositely, two cross beams of which two ends are respectively connected with the two longitudinal beams and are arranged oppositely at intervals, the power system is fixed on the cross beams through a power system mounting seat, the power auxiliary system and the cooling system are respectively fixed on the longitudinal beams through a power auxiliary system mounting seat and a cooling system mounting seat, and the power auxiliary system and the cooling system are distributed on two sides of the power system. The underslung power pack suitable for the electric drive rail car integrally installs the power system, the power auxiliary system and the cooling system, solves the problems of large power dispersion space occupation and difficult installation and maintenance, and increases the utilization rate of the space under the car.
Description
Technical Field
The invention relates to the technical field of equipment for railway vehicles, in particular to an underslung power pack suitable for an electric transmission rail car.
Background
With the increasing of railway mileage, maintenance of railway facilities is indispensable, so that the demand of large road maintenance machinery is continuously expanded, and requirements on the performance of rail cars, environmental protection and the like are continuously improved. In recent years, the electric transmission technology is more and more widely applied to the field of rail cars, and the installation of a power system also needs to be convenient and quick, and is convenient for later maintenance, disassembly and the like.
In the prior art, the power system structure of the rail car is installed dispersedly, the occupied space is large, and the maintenance and operation of the power system are inconvenient.
In view of the above, the present application aims to provide an underslung power pack suitable for an electric drive rail car to solve the above technical problems.
Disclosure of Invention
The invention aims to solve the technical problem of providing an underslung power pack suitable for an electric drive rail car, wherein a power system, a power auxiliary system and a cooling system are integrally installed, so that the problems of large power dispersion space occupation and difficult installation and maintenance are solved, and the utilization rate of the space under the car is increased.
In order to solve the problems, the technical scheme of the invention is as follows:
the utility model provides an underslung power package suitable for electricity transmission railcar, including the mounting bracket, with driving system, power auxiliary system, cooling system that the mounting bracket is connected, the mounting bracket including relative two longerons that set up, both ends respectively with two the longeron is connected and two crossbeams that relative interval set up, driving system is fixed in through the driving system mount pad on the crossbeam, power auxiliary system and cooling system are fixed in through power auxiliary system mount pad and cooling system mount pad respectively on the longeron, just power auxiliary system and cooling system distribute in the driving system both sides.
Furthermore, the power system comprises a diesel engine, a generator and an elastic coupling for connecting the diesel engine and the generator, the power system mounting seats are distributed on the two cross beams, and the power system mounting seat arranged on one cross beam and the power system mounting seat arranged on the other cross beam form a 90-degree angle with each other.
Further, the power system mounting base comprises a diesel engine mounting base and a generator mounting base, and the diesel engine mounting base and the generator mounting base are respectively connected with the cross beam through first elastic damping devices.
Further, power auxiliary system includes air intake system, exhaust system and auxiliary generator set, power auxiliary system mount pad includes air intake system mount pad, exhaust system mount pad, auxiliary generator set mount pad, air intake system mount pad and exhaust system mount pad are fixed in respectively the longeron outside, auxiliary generator set mount pad is fixed in the longeron is inboard, just the exhaust system mount pad with auxiliary generator set mount pad is located driving system's homonymy, air intake system mount pad and exhaust system mount pad distribute in driving system's the relative both sides.
Further, the air inlet system is connected with an air inlet of the diesel engine, and the exhaust system is connected with an air outlet of the diesel engine.
Further, the auxiliary generator set is provided with a silencer.
Further, the cooling system adopts an electric driving heat dissipation mode and comprises a cooling fan and a driving motor; the cooling system mounting base is fixed on the inner side of the longitudinal beam, and the cooling system and the air inlet system are located on the same side of the power system.
Furthermore, a water inlet of the cooling system is connected with a water outlet of the power system, and a water outlet of the cooling system is connected with a water inlet of the power system.
Further, the underslung power pack suitable for the electric drive rail car is suspended below the frame through a second elastic damping device.
Furthermore, the second elastic damping devices are distributed at four corners of the longitudinal beam in multiple groups.
Further, the second elastic damping device is a V-shaped rubber damper.
Compared with the prior art, the underslung power pack applicable to the electric drive rail car provided by the invention has the beneficial effects that:
according to the underslung power pack suitable for the electric drive rail car, the power system, the power auxiliary system and the cooling system are integrally mounted on the mounting frame and are suspended below the car frame through the second elastic damping device, the problems that power is dispersed, the occupied space is large, the mounting and the maintenance are inconvenient are solved, the utilization rate of the space below the car is increased, and enough space is reserved for mounting other components.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some implementation examples of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an underslung power pack suitable for an electric drive rail car provided by the invention.
Detailed Description
In order to make the technical solutions in the embodiments of the present invention better understood and make the above objects, features, and advantages of the present invention more comprehensible, specific embodiments of the present invention are described below with reference to the accompanying drawings.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic structural diagram of an underslung power pack suitable for an electric railcar according to the present invention. The underslung power pack 100 suitable for an electric drive rail car of the present invention includes a mounting frame 2, a power system 3 connected to the mounting frame 2, a power assist system (not numbered), and a cooling system 5.
In the invention, the mounting frame 2 comprises two longitudinal beams 21 arranged oppositely and two cross beams 22 arranged perpendicular to the longitudinal beams 21 and having two ends respectively connected with the longitudinal beams 21, and the number of the cross beams 22 is two. In order to adapt to the installation of other components, in the embodiment, the longitudinal beam 21 is of a special-shaped structure and is symmetrical about the center of the installation frame structure.
The power system 3 is fixed to the cross member 22 by a power system mount 6, the power assist system 4 is fixed to the side member 21 by a power assist system mount (not numbered), and the cooling system 5 is fixed to the side member 21 by a cooling system mount 8.
In the present invention, the power system 3 includes a diesel engine 31, a generator 32, and an elastic coupling 33 connecting the diesel engine 31 and the generator 32. In the embodiment, the diesel engine 31 is in a six-cylinder in-line form, the rated power is 600kw grade, and the highest running speed of 160km/h of the electric transmission rail car can be ensured; the generator 32 is a permanent magnet synchronous alternator, the cooling mode is water cooling, the machine body is made of aluminum alloy, and the permanent magnet synchronous alternator has the advantages of being small in size, light in weight and high in transmission efficiency.
The power system mounting seat 6 is distributed on the two beams 22 and comprises a diesel engine mounting seat 61 and a generator mounting seat 62, and the diesel engine mounting seat 61 and the generator mounting seat 62 are respectively connected with the beams 22 through first elastic damping devices 9. In this embodiment, the first elastic damping device 9 is a rubber damper in the prior art, and can effectively alleviate the vibration between the power element and the suspension seat.
In this embodiment, the number of the diesel engine mounting seats 61 is plural and is distributed on the two cross beams 22, and the number of the generator mounting seats 62 is plural and is also distributed on the two cross beams 22, so that the stress on the cross beams 22 is more uniform. In order to save the installation space, the power system installation seat arranged on one of the cross beams 22 and the power system installation seat arranged on the other cross beam are mutually 90 degrees, in particular, the diesel engine installation seat and the generator installation seat arranged on one of the cross beams 22 and the diesel engine installation seat and the generator installation seat arranged on the other cross beam 22 are mutually 90 degrees.
The power assist system includes an intake system 41, an exhaust system 42, and an auxiliary generator set 43. The intake system 41 is connected to an intake port of the diesel engine 31, and the exhaust system 42 is connected to an exhaust port of the diesel engine 31. Preferably, the auxiliary generator set 43 has a muffler 431 to reduce noise generated when the auxiliary generator set 43 operates.
The power auxiliary system mounting base comprises an air inlet system mounting base 71, an exhaust system mounting base 72 and an auxiliary generator set mounting base 73, wherein the air inlet system mounting base 71 and the exhaust system mounting base 72 are respectively fixed on the outer side of the longitudinal beam 21, the auxiliary generator set mounting base 72 is fixed on the inner side of the longitudinal beam 21, the exhaust system mounting base 72 and the auxiliary generator set mounting base 73 are located on the same side of the power system 2, and the air inlet system mounting base 71 and the exhaust system mounting base 72 are distributed on two opposite sides of the power system 2.
The cooling system 5 adopts an electrically driven heat dissipation method, and includes a cooling fan 51 and a driving motor 52. In the present embodiment, the cooling system 5 and the intake system 41 are located on the same side of the power system 2. In the present embodiment, the cooling system mount 8 is fixed to the inner side of the side member 21. And the water inlet of the cooling system 5 is connected with the water outlet of the power system 3, and the water outlet of the cooling system 5 is connected with the water inlet of the power system 3, so that heat dissipation is realized for the diesel engine and the generator.
The inventive underslung power pack 100 suitable for an electric drive rail vehicle is suspended below the vehicle frame by a second resilient shock absorbing device 10. Specifically, the mounting frame 2 is connected and fixed with the frame through the second elastic damping device 10, so as to meet the vibration isolation requirements of a power system and a power auxiliary system. Corresponding to the structure of the mounting frame 2, the number of the second elastic damping devices 10 is four, and the four groups are respectively distributed at four corners of the longitudinal beam 21. In this embodiment, the second elastic damper 10 is a V-shaped rubber damper.
In the invention, the working principle of the diesel engine is that internal energy is obtained by burning diesel oil and then converted into mechanical energy, and the main working process is summarized as air suction, compression, work doing and exhaust;
the working principle of the generator is that mechanical energy output by a diesel engine is converted into electric energy, and the generated electric energy forms alternating current with stable voltage after passing through a rectifier inverter and is transmitted to a traction motor of the electric transmission rail car to drive a bogie to run;
the cooling system selects a composite radiator integrating intercooling and water cooling to radiate heat of the diesel engine and the generator;
the air inlet system selects an air filter to filter air entering the diesel engine;
the exhaust system is also called as a tail gas purifier, and the tail gas exhausted by the diesel engine is subjected to catalytic reaction to reach the emission standard;
the auxiliary generator set supplies power for living facilities such as an electric heater, an air conditioner and the like.
According to the underslung power pack suitable for the electric drive rail car, the power system, the power auxiliary system and the cooling system are integrally mounted on the mounting frame and are suspended below the car frame through the second elastic damping device, the problems that power is dispersed, the occupied space is large, the mounting and the maintenance are inconvenient are solved, the utilization rate of the space below the car is increased, and enough space is reserved for mounting other components.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an underslung power package suitable for electricity transmission railcar, its characterized in that, including the mounting bracket, with driving system, power auxiliary system, cooling system that the mounting bracket is connected, the mounting bracket including two longerons, both ends that set up relatively respectively with two the longeron is connected and two crossbeams that relative interval set up, driving system is fixed in through the driving system mount pad on the crossbeam, power auxiliary system and cooling system are fixed in through power auxiliary system mount pad and cooling system mount pad respectively on the longeron, just power auxiliary system and cooling system distribute in the driving system both sides.
2. The underslung power pack suitable for an electric drive rail car according to claim 1, wherein the powertrain includes a diesel engine, a generator, and an elastic coupling connecting the diesel engine and the generator, and the powertrain mounts are distributed on the two cross members, and the powertrain mount mounted on one of the cross members and the powertrain mount mounted on the other of the cross members are at 90 ° to each other.
3. The underslung power pack suitable for an electric railroad car according to claim 2, wherein the powertrain mount includes a diesel engine mount and a generator mount, the diesel engine mount and generator mount being connected to the cross-beam by a first resilient shock absorbing device, respectively.
4. The underslung power pack for an electric railcar according to claim 2, wherein the power assist system comprises an air intake system, an exhaust system, and an auxiliary generator set, the power assist system mount comprises an air intake system mount, an exhaust system mount, and an auxiliary generator set mount, the air intake system mount and the exhaust system mount are respectively fixed to the outer side of the stringer, the auxiliary generator set mount is fixed to the inner side of the stringer, the exhaust system mount and the auxiliary generator set mount are located on the same side of the dynamic system, and the air intake system mount and the exhaust system mount are distributed on opposite sides of the dynamic system.
5. The underslung power pack for an electric railroad car according to claim 4 wherein said air intake system is connected to an air intake of said diesel engine and said exhaust system is connected to an air outlet of said diesel engine.
6. The underslung power pack for an electric railroad car according to claim 4 wherein said auxiliary generator set has a muffler.
7. The underslung power pack for an electric railcar according to claim 4, wherein said cooling system employs an electrically driven heat dissipation means comprising a cooling fan and a drive motor; the cooling system mounting base is fixed on the inner side of the longitudinal beam, and the cooling system and the air inlet system are located on the same side of the power system.
8. An underslung power pack for an electric railway car according to any one of claims 1 to 7 wherein the underslung power pack for an electric railway car is suspended below the frame by a second resilient shock absorbing means.
9. The underslung power pack for an electric railcar according to claim 8, wherein said second elastic shock absorbing means are provided in a plurality of sets distributed at four corners of said longitudinal beam.
10. The underslung power pack adapted for use with an electric railroad car of claim 9, wherein the second resilient shock absorbing device is a V-shaped rubber shock absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122854586.6U CN216332014U (en) | 2021-11-19 | 2021-11-19 | Underslung power package suitable for electric drive railcar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122854586.6U CN216332014U (en) | 2021-11-19 | 2021-11-19 | Underslung power package suitable for electric drive railcar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216332014U true CN216332014U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122854586.6U Active CN216332014U (en) | 2021-11-19 | 2021-11-19 | Underslung power package suitable for electric drive railcar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216332014U (en) |
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2021
- 2021-11-19 CN CN202122854586.6U patent/CN216332014U/en active Active
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